public RobberStealState(IGameTurn turn, IBoard board)
{
if (turn == null)
throw new ArgumentNullException(nameof(turn));
if (board == null)
throw new ArgumentNullException(nameof(board));
if (board.Robber == null)
throw new ArgumentNullException(nameof(board.Robber));
this.turn = turn;
//CvB todo maybe cleaner to get those values from a class that handles the actual stealing?
var stealablePlayers = board.GetPlayers(board.Robber.CurrentTile);
if (!stealablePlayers.Any() || stealablePlayers.All(p => p == turn.Player))
turn.NextFlowState();
}